Meanwhile, her elder sister Frances, who was scheduled to graduate from Sydney's Whitehouse Institute of Design this week, flashed her midriff in a tight, two-tone bodycon featuring a slit under the bust line.

Their eldest sister Louise works for the United Nations in Geneva and was absent from the scene.

The Abbott girls were joined by a host of Australian stars at the high fashion event, including television personality and mother-of-two Rebecca Judd, who showcased her stunning post-baby body in a white off-the-shoulder embroidered dress as she walked the black carpet with her Carlton Football club captain husband Chris.

Former Miss Universe and long-time Myer ambassador Jennifer Hawkins opened the show in an A-line Maticevski monochrome gown.

Kris Smith, one-time boyfriend of Dannii Minogue and Myer ambassador since 2009, was also in attendance - as was first-time ambassador and MTV presenter Kate Peck.

Model couple: Kris Smith looked like he'd come to the show dressed in his catwalk outfit when he posed up with model girlfriend Maddy King

Catwalk comradeship: Models Kate Peck and Sophie VanDen Akker knew what to do in front of the cameras

Kewell as a cucumber: Harry Kewell and his wife Sheree Murphy were among the VIPs in attendance at the Myer store